For over-the-top flying excitement, the 50SX-H Ringed Hyper engine is the clear favorite!
The Hyper version weighs less than the 50SX-H, but delivers more horsepower for higher rotor speeds.
Actually mounts in the same space as a .30-size application.
The 60LH carburetor features 1.5 mm more bore...

The 55HZ Limited retains all of the performance features of the 55HZ-H Hyper, with a wicked appearance too!
* This special version of the 55HZ-H is all black, with "2010 Heli Jamboree Edition" stamped on the engine and pipe. Plus, each engine and pipe are matched up at the factory with their own se...

The 55HZ Limited retains all of the performance features of the 55HZ-H Hyper, with a wicked appearance too!
*********** The maneuvers in F3C competitions increase the level of performance these days not speak of 3D flight. This means the pilots demand more performance on its power source: engines....

Fits common and popular 50-size helis on the market.
Designed to be the most powerful in its class.
Incorporates SetRight™ needle valve assembly.
Piston/liner made of unique combination of ABC.
Uniquely designed cooling head.
Throttle arm markings on throttle side of the carb body and throttle ...

JBA has designed and manufactured high quality engines for airplanes, helicopters and cars for many years.
Their ISO9001 production facility is state-of-the-art with CNC machining,
extensive quality control and an ongoing research and development that exceeds the industry standard in every aspect....